TY  - BOOK
AU  - Berger,Vance W.
TI  - SELECTION BIAS AND COVARIATE IMBALANCES IN RANDOMIZED CLINICAL TRIALS
SN  - 0470863625
U1  - 615.50724 
PY  - 2005///
CY  - 
PB  - John Wiley, Chichester
KW  - Clinical Trails -- Statistical Methods -- Evaluation
KW  - Ranking And Selection (Statistics) -- Evaluation
KW  - Sampling (Statistics) -- Evaluation
ER  -